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FLORIDA ROCK & TANK LINES INC

USDOT 29628 · MC-126736

Hazmat authorized Interstate carrier AUTHORIZED FOR HIRE

FLORIDA ROCK & TANK LINES INC — is a interstate carrier based in JACKSONVILLE, FL. Registered with the Federal Motor Carrier Safety Administration on 1974-06-01. The carrier reports operating 298 power units with 398 drivers (398 commercially licensed). Most recent MCS-150 update: 20250702 1241.

D&B DUNS: 59777110 · joins with corporate finance records.

Safety record — FMCSA SMS

Based on roadside inspections and investigations over the prior 24 months, FMCSA's Safety Measurement System recorded 681 inspections for this carrier, including 1 driver out-of-service and 56 vehicle out-of-service inspections. This carrier is not currently over the alert threshold in any BASIC category. SMS snapshot 2026-06.

BASIC categoryMeasureInsp. w/ violationsAlert
Unsafe Driving2.0952—
Hours-of-Service Compliance0.0620—
Driver Fitness02—
Controlled Substances / Alcohol00—
Vehicle Maintenance2.38189—

BASIC = Behavior Analysis and Safety Improvement Category. A higher measure means worse on-road safety performance relative to peers; an ALERT marks categories where the carrier exceeds FMCSA's intervention threshold. Full SMS profile ↗

Operating area

LaneOperates?
Interstate, beyond 100 miles—
Interstate, within 100 miles—
Intrastate, beyond 100 miles—
Intrastate, within 100 miles—

About this data

The Federal Motor Carrier Safety Administration (FMCSA) requires every interstate trucking and bus carrier to register and file a biennial MCS-150 Motor Carrier Identification Report. The Company Census File is FMCSA's authoritative ledger of every registered carrier — active and inactive — and is updated weekly. This page mirrors the file with citations to the FMCSA SAFER (Safety and Fitness Electronic Records) system, where you can find current safety scores, inspection history, and crash data for this carrier.

References

  1. Federal Motor Carrier Safety Administration. SAFER Company Snapshot — USDOT 29628. safer.fmcsa.dot.gov/CompanySnapshot.aspx.
  2. FMCSA Safety Measurement System overview for this carrier: ai.fmcsa.dot.gov/SMS/Carrier/29628/Overview.aspx.
  3. Federal Motor Carrier Safety Administration. Company Census File. Open data via DOT Socrata portal, dataset az4n-8mr2.

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